MountBatten

A disk and volume firewall for macOS

Download MountBatten 1.01 (Universal) Purchase a Lifetime License Key ($4.99)

MD5 Hash: aa5b05ed1814d65af2265c3b5e2c5d2f
NOTE: MountBatten is fully functional, but has a time-delay nag window when not licensed; licenses will unlock future enhancements.

Key Features

Real-Time Disk Mounting Control

MountBatten watches for disk mounting events as they happen, giving you control over which drives and disk images are allowed to mount

Zero-Trust Storage Protection

Create a zero-trust environment by blocking storage devices or disk images even if macOS would otherwise allow them to connect

Block Unauthorized Installers

MountBatten works with DMG disk images, making it useful for blocking installers and tightening control over untrusted media

Flexible Rule Matching

Build rules using exact matches, partial matches, exclusions, or a Regex; target all media, disk images only, or physical disks only

Smart Triggers and Automation

When a rule matches, MountBatten can show an alert, display a notification, play a sound, flash the screen, launch an app, open a URL, or run AppleScript

Activity Logging

Review recent activity in the built-in Event log

Lightweight & Efficient

MountBatten is very lightweight and memory efficient, making it easy to leave running in the background

Privacy-First

No data ever leaves your Mac; everything is stored and processed locally

Screenshots

MountBatten

Monitor disk mount events

See at a glance which physical drives and disk images are being monitored, start or stop monitoring instantly, and view recent events in the log

MountBatten

Get Real-time alerts

Get instantly notified when a monitoring rule is triggered using Alerts, macOS notifications, or sounds, among other options

MountBatten

Enjoy granular rule matching

Leverage flexible options for how you detect specific Disks or Disk images

MountBatten Demo Video